Ayogurt shop allows its customers to add, for no charge, 3 toppings to any yogurt purchased. if the store has 15 possible toppings, how many different 3-topping combinations can a customers choose?

The number of different 3-topping combinations a customers can choose is:

                                 455

We know that the number of ways to choose r items out of a given n items is calculated with the help of method of COMBINATION.

The formula is given by:

We have n=15 and r=3

Hence, the number of combinations possible is given by:

                       The answer is:

                                 455

the correct answer is you spend $55.78 more in a brand store that buy ing in a normal store.

step-by-step explanation:

brand = spend   $ 135.85 total

store = spend $80.07 total

bull

step-by-step explanation: